Functions
2.9 Frequency Protection 81 O/U
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
185
2.9.3
Settings
Addresses which have an appended "A" can only be changed with DIGSI, under "Display Additional Settings".
Addr.
Parameter
Setting Options
Default Setting
Comments
5401
FCT 81 O/U
OFF
ON
OFF
81 Over/Under Frequency Protec-
tion
5402
Vmin
10 .. 150 V
65 V
Minimum required voltage for op-
eration
5403
81-1 PICKUP
40.00 .. 60.00 Hz
49.50 Hz
81-1 Pickup
5404
81-1 PICKUP
50.00 .. 70.00 Hz
59.50 Hz
81-1 Pickup
5405
81-1 DELAY
0.00 .. 100.00 sec;
∞
60.00 sec
81-1 Time Delay
5406
81-2 PICKUP
40.00 .. 60.00 Hz
49.00 Hz
81-2 Pickup
5407
81-2 PICKUP
50.00 .. 70.00 Hz
59.00 Hz
81-2 Pickup
5408
81-2 DELAY
0.00 .. 100.00 sec;
∞
30.00 sec
81-2 Time Delay
5409
81-3 PICKUP
40.00 .. 60.00 Hz
47.50 Hz
81-3 Pickup
5410
81-3 PICKUP
50.00 .. 70.00 Hz
57.50 Hz
81-3 Pickup
5411
81-3 DELAY
0.00 .. 100.00 sec;
∞
3.00 sec
81-3 Time delay
5412
81-4 PICKUP
40.00 .. 60.00 Hz
51.00 Hz
81-4 Pickup
5413
81-4 PICKUP
50.00 .. 70.00 Hz
61.00 Hz
81-4 Pickup
5414
81-4 DELAY
0.00 .. 100.00 sec;
∞
30.00 sec
81-4 Time delay
5415A
DO differential
0.02 .. 1.00 Hz
0.02 Hz
Dropout differential
5421
FCT 81-1 O/U
OFF
ON f>
ON f<
OFF
81-1 Over/Under Frequency Pro-
tection
5422
FCT 81-2 O/U
OFF
ON f>
ON f<
OFF
81-2 Over/Under Frequency Pro-
tection
5423
FCT 81-3 O/U
OFF
ON f>
ON f<
OFF
81-3 Over/Under Frequency Pro-
tection
5424
FCT 81-4 O/U
OFF
ON f>
ON f<
OFF
81-4 Over/Under Frequency Pro-
tection
www
. ElectricalPartManuals
. com